/Engine/Source/Editor/SequencerCore/Public/MVVM/Extensions/ITrackLaneExtension.h
static [FTrackLaneVirtualAlignment](API\Editor\SequencerCore\MVVM\Extensions\FTrackLaneVirtualAlignment) Proportional ( const [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & InRange, float InStretchFactor, EVerticalAlignment InVAlign )